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High Voltage Insulating Bushing Manufacturer for Power Equipment
Factory: We are a professional manufacturer providing OEM custom production services.
- Product Overview
- Technical Specifications
- Product Structure
- Applications
- Testing Capability
- Packaging & Customization
Product Overview
A high voltage insulating bushing is an essential insulation component used when a conductor passes through grounded enclosures, walls, transformer tanks or electrical equipment housings. Wishpower high voltage insulating bushings are designed with composite insulation materials to provide reliable electrical isolation, mechanical support and long-term weather resistance. They are widely used in transformers, switchgear, substations, cable connection systems and high voltage power equipment.
Wishpower high voltage insulating bushings are used to insulate and support live conductors from grounded structures. They help prevent discharge, flashover, creepage and insulation failure during power system operation. Compared with traditional porcelain bushings, composite insulating bushings offer lighter weight, better impact resistance, stronger pollution resistance and easier installation.
Key advantages include:
High-quality composite insulation for stable electrical performance;
Silicone rubber outer insulation with excellent hydrophobicity;
Strong pollution flashover resistance for harsh environments;
Lightweight structure for easier transportation and installation;
Good resistance to UV, moisture, corrosion and aging;
Customizable voltage rating, creepage distance, mounting size and terminal design;
Suitable for indoor, outdoor and polluted service conditions.
Core Features
Reliable Insulation Performance
The bushing provides stable insulation between high voltage conductors and grounded components under rated voltage and operating overvoltage conditions.Excellent Pollution Resistance
Silicone rubber sheds provide strong hydrophobicity, helping reduce the effect of rain, fog, dust, salt and industrial pollution.High Mechanical Strength
The structure is designed to support conductors and withstand mechanical stress, vibration and installation loads.Lightweight and Easy to Install
Composite bushings are lighter than porcelain products, making them easier to handle, transport and install.Strong Weathering and Aging Resistance
The product is suitable for long-term outdoor operation under UV exposure, humidity, temperature changes and polluted environments.Flexible Customization
Wishpower can customize voltage levels, creepage distance, flange type, conductor size, terminal connection and overall dimensions according to project requirements.
Product Structure
Wishpower high voltage insulating bushings usually consist of the following parts:
Central conductor or conductive rod: used for current transmission;
Insulation body: provides the main electrical insulation;
Silicone rubber sheds: increase creepage distance and improve outdoor insulation performance;
Flange or mounting base: used for fixing the bushing to transformers, switchgear, walls or equipment housings;
Terminal fittings: used for connection with busbars, cables, conductors or equipment terminals;
Sealing system: prevents moisture, dust and contaminants from entering the bushing structure.
Technical Specifications
| Parameter | Application Range |
|---|---|
| Product Name | High Voltage Insulating Bushing, Composite Insulating Bushing |
| Voltage Rating | 10kV, 11kV, 12kV, 15kV, 24kV, 27.5kV, 33kV, 35kV, 66kV, 110kV, customizable |
| Service Environment | Indoor, outdoor, polluted area, coastal area, humid area, industrial environment |
| Outer Insulation Material | HTV silicone rubber or composite insulation material |
| Internal Structure | Conductive rod, insulation core, mounting flange, sealing components |
| Installation Type | Flange mounting, wall-through mounting, equipment interface mounting, vertical or horizontal installation |
| Applicable Equipment | Transformer, switchgear, ring main unit, GIS equipment, cable terminal box, distribution equipment |
| Main Function | Conductor insulation support, wall-through connection, electrical isolation, flashover prevention |
| Surface Performance | Hydrophobic, pollution-resistant, UV-resistant, aging-resistant |
| Customization Options | Voltage rating, creepage distance, structure size, terminal type, flange dimension |
Product Structure
Main Applications
High voltage insulating bushings are widely used in power transmission and distribution systems, especially in the following applications:
Transformers: for high voltage, low voltage or neutral terminal insulation;
Switchgear and ring main units: for insulated conductor connection inside or outside the cabinet;
Substations: for primary electrical equipment, busbar connection and electrical isolation;
Distribution networks: for distribution equipment, cable connection boxes and branch systems;
Railway power supply systems: for traction power equipment and high voltage insulation points;
Wind and solar power stations: for step-up transformers, box-type substations and distribution units;
Industrial power systems: for mining, metallurgy, chemical plants, ports and heavy industry power distribution.
Testing Capability
Packaging & Transportation
To keep products safe during transportation and storage, we use the following packaging methods:
- Individual Packaging: Each product is wrapped with protective film, packed in a high-strength carton, and cushioned with buffer materials.
- Pallet Packaging: Multiple products are fixed on wooden pallets and wrapped with stretch film, suitable for container shipping.
- Export Packaging: Fumigated wooden cases, moisture-proof treatment, and detailed packing lists are provided according to sea freight requirements.
Customization Service
WishPower can provide the following customization options according to customer requirements:
- Structural Dimensions: Adjust overall height, creepage distance, shed quantity, and shed diameter.
- End Fittings: Customize ball-socket, tongue-clevis, eye, or other interface types according to connection requirements.
- Color: Standard gray, with red, yellow, blue, and other colors available subject to MOQ.
- Special Environments: Formulations for extreme cold (-60 C), strong UV exposure, heavy pollution, and other harsh conditions.
- Voltage Classes: Full-range customization from 10kV to 1000kV.
- Marking: Customer logos or model numbers can be molded or printed on the product.
For specific customization requirements, please contact our sales engineers. We will provide a technical solution within 24 hours.
FAQ
Q: What information should I provide for a quotation?
A: Please provide voltage level, product type, quantity, application environment, standard, drawings or technical specifications if available.
Q: How do I choose the right composite insulator for my project?
A: You can provide voltage level, installation type, mechanical load, creepage distance and operating environment. Our team will recommend the suitable model.
Q: What standards can your products meet?
A: Our products can be designed and tested according to IEC, ANSI, GB and customer-specific technical requirements.
Q: Are composite insulators suitable for coastal areas?
A: Yes. Composite insulators with silicone rubber housing provide good hydrophobicity and anti-pollution performance, making them suitable for coastal and polluted environments.
Q: Can you provide customized insulation products?
A: Yes. WishPower supports customized voltage ratings, creepage distances, fittings, colors and drawings according to project requirements.